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TCS
2008
13 years 7 months ago
Extension of Brzozowski's derivation calculus of rational expressions to series over the free partially commutative monoids
We introduce an extension of the derivatives of rational expressions to expressions denoting formal power series over partially commuting variables. The expressions are purely non...
Jean Berstel, Christophe Reutenauer
LOGCOM
2010
87views more  LOGCOM 2010»
13 years 7 months ago
Exemplaric Expressivity of Modal Logics
Abstract This paper investigates expressivity of modal logics for transition systems, multitransition systems, Markov chains, and Markov processes, as coalgebras of the powerset, ï...
Bart Jacobs, Ana Sokolova
VL
2010
IEEE
286views Visual Languages» more  VL 2010»
13 years 7 months ago
A Debugging Perspective on End-User Mashup Programming
In recent years, systems have emerged that enable end users to “mash†together existing web services to build new web sites. However, little is known about how well end users ...
Jill Cao, Kyle Rector, Thomas H. Park, Scott D. Fl...
EGH
2009
Springer
13 years 6 months ago
Understanding the efficiency of ray traversal on GPUs
We discuss the mapping of elementary ray tracing operations-acceleration structure traversal and primitive intersection--onto wide SIMD/SIMT machines. Our focus is on NVIDIA GPUs,...
Timo Aila, Samuli Laine
CORR
2010
Springer
124views Education» more  CORR 2010»
13 years 6 months ago
Property Testing via Set-Theoretic Operations
: Given two testable properties P1 and P2, under what conditions are the union, intersection or set-difference of these two properties also testable? We initiate a systematic study...
Victor Chen, Madhu Sudan, Ning Xie